An investor is evaluating the historical performance of an investment fund. The following annual returns are provided to the investor: Required: a. Calculate the investment returns for each year. b. Compute the arithmetic mean return. c. Calculate the geometric mean return. Required: a. Calculate the investment returns for each year. b. Compute the arithmetic mean return. c. Calculate the geometric mean return. Complete this question by entering your answers in the tabs below. Calculate the investment returns for each year. (Do not round intermediate calculations. Round "Return" to 2 decimal places and "Return Relative" to 4 decimal places. Negative values should be indicated with minus sign.) Required: a. Calculate the investment returns for each year. b. Compute the arithmetic mean return. c. Calculate the geometric mean return. Complete this question by entering your answers in the tabs below. Compute the arithmetic mean return. (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Required: a. Calculate the investment returns for each year. b. Compute the arithmetic mean return. c. Calculate the geometric mean return. Complete this question by entering your answers in the tabs below. Calculate the geometric mean return